A new early-warning system in Ontario and Quebec may give residents the “critical seconds” they need to survive an earthquake.

The Earthquake Early Warning System (EEW) that supports earthquake preparedness efforts in Quebec and eastern Ontario is now operational.

The EEW system detects earthquakes by using a network of over 200 sensors, said Natural Resources Canada in a news release. These earthquake-detection sensors send timely alerts to mobile devices in affected areas.

The sensors now cover both eastern Ontario and Quebec, sending alerts through the National Public Alerting System “tens of seconds” before an earthquake hits.

“Seismic risks are very real in Quebec, and the early earthquake warning system provides us with a valuable tool for enhancing public safety in the event of

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